Update GH actions to use Node20

[appilon]

Update GH actions to use Node 20. The following actions need updates:

• [x] https://github.com/hashicorp/setup-copywrite

The remaining actions will need to be addressed later

• https://github.com/actions-ecosystem/action-remove-labels
• https://github.com/atlassian/gajira-login
• https://github.com/atlassian/gajira-transition